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billjam billjam is offline
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Join Date: Aug 2007
Location: Perth, Western Australia
Posts: 2,001
I had a similar problem with grounding after fitting a new intercooler. Because it wasn't grounded, it acted like the over-boost switch was open - which means no spark. It took me a while to find the problem which I fixed with a small copper earth strap at the intercooler mount like this (at left side of pic).
This solved over-boost switch problem as well as boost sensor grounding.

1988 Carrera - 3.6 engine (with ITBs, COPs, MS3X) and a whole set of turbo body panels waiting in the attic.
Day job ...
Memories: '68 912, '72 911T, '80 911SC, '84 911, '85 930, '86 930, '87 911
Old 04-24-2013, 07:45 PM
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